Twenty-Four-Month-Old Tyler Is Placed in Front of a Mirror with a Spot

question 129

Multiple Choice

Twenty-four-month-old Tyler is placed in front of a mirror with a spot of rouge on his nose. Tyler will most likely

• A) touch his own nose to wipe off the spot.
• B) touch the spot on the mirror because he wants to wipe the spot off his own nose.
• C) touch the spot on the mirror because he wonders why the other child has a spot on his nose.
• D) crawl away from the mirror because he does not recognize himself with the spot on his nose.

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Definitions:

Magnesium Oxide

A white hygroscopic solid mineral used as an antacid and mild laxative, and in numerous industrial applications.

Balanced Chemical Equation

An equation that represents a chemical reaction with equal numbers of atoms for each element in both reactants and products.

Reduction

A chemical process involving the gain of electrons or the decrease in oxidation state by a molecule, atom, or ion.

Oxidation Number

A measure of the degree of oxidation of an atom in a substance, indicating the number of electrons lost or gained by an atom.